Server upgrade sequence

Last Updated : Apr 17, 2023 |
If you have multiple servers in a cluster and have snap-ins that use the cluster database, you must upgrade the servers in the correct sequence to avoid data loss. The sequence depends on the active, standby, or idle status of the server. View the status on the System Manager Avaya Breeze® platform Cluster Administration page.
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Upgrade sequence

  1. Upgrade all idle servers.
  2. Upgrade the standby server.
  3. Switch the active server to be the standby server. (The standby server becomes the new active server.)
  4. Upgrade the new standby server.